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免密码ssh远程登录设置
2. In host1, copy the ssh-key to the host2 hosts # ssh-keygen # ssh-copy-id -i ~/.ssh/id_rsa.pub HOST2_IP
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/etc/sysconfig/network-scripts/ifcfg-eth0 文件
DEVICE="eth0" BOOTPROTO="dhcp" HWADDR="00:23:AE:70:03:48" IPV6INIT="yes" IPV6_AUTOCONF="yes" NM_CONTROLLED="yes" ONBOOT="yes" TYPE="Ethernet" UUID="83f8ca51-7085-4e4e-a6ca-d358faa795ad"
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参考文档：
http://blog.csdn.net/hzhsan/article/details/44098537/ [kvm bridge、nat方式介绍]
http://www.chenyudong.com/archives/libvirt-kvm-bridge-network.html [libvirt kvm 虚拟机上网 – Bridge桥接]
https://www.douban.com/group/topic/15558388/ [VirtualBox虚拟机网络设置（四种方式）]
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vi /etc/yum.repos.d/
[name] name=Red Hat Enterprise Linux $releasever - $basearch -Source baseurl=http://download.englab.nay.redhat.com/rel-eng/RHEL-6.8-20160407.0/compose/Server/x86_64/os/ enable=0 gpgcheck=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
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Three ways to configure virt-who on RHEL6.8
1, vi /etc/sysconfig/virt-who 2, vi /etc/virt-who.d/myvirt-who 3, CLI virt-who --args
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how to configue virt-who
# Environmental variables for virt-who service can be specified here. # # These environmental variables are only used when starting virt-who as service, # otherwise you must specify them manually. # # Note that if some value contains special character, it must be escaped # or the value must be quoted - for example ampersand in the password or # backslash separating domain and username in username field. 配置这个文件中的参数即可
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use command "tail" to output the last part of files on time
tail -f /var/log/rhsm/rhsm.log
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restart and stop service
/etc/init.d/virt-who restart
/etc/init.d/virt-who stop
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how to config the subscription manager
hostname=subscription.rhsm.stage.redhat.com
